"Imagine this as an underwater extension of land loss that we see at the surface. This is a big deal because it can affect so many processes that occur from the coast to the open ocean including marine organisms' lifecycles and underwater landslides," said lead author San Diego State University Assistant Professor Jillian Maloney, who conducted this research as a post-doctoral researcher at LSU.
The scientists used historic nautical charts, data from academic research and the oil and gas industry as well as National Oceanic and Atmospheric Administration underwater mapping data collected from 1764 to 2009.
Study - Mississippi - River - Delta - Stage
"From this comprehensive study, we've determined that the Mississippi River Delta has entered a stage of decline. The outlets of the Mississippi River also known as the Bird's Foot Delta have been prograding, or spreading, naturally for hundreds of years, but that has now stopped. The underwater portions of the delta are now retreating like the land loss...
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